body,
html {
  margin: 0 auto;
  min-width: 320px;
  max-width: 720px;
}
.sitenva-top {
  width: 100%;
  height: 1.3rem;
  background-color: #FF841D;
  line-height: 1.3rem;
  position: relative;
}
.sitenva-top h1 {
  margin: 0;
  height: 100%;
  font-size: 0.6rem ;
  color: #fff;
  text-align: center;
  line-height: 1.3rem;
}
.sitenva-top .nav-left {
  margin-top: 0.13rem;
  float: left;
  width: 10%;
  height: 80%;
}
.sitenva-top .nav-left a {
  display: block;
  width: 100%;
  height: 100%;
  font-size: 0.6rem;
  color: #fff;
  line-height: 1.17rem;
}
.sitenva-top .right {
  position: absolute;
  top: 0;
  right: 0;
  width: 10%;
  height: 100%;
}
.sitenva-top .right a {
  display: block;
  width: 100%;
  height: 100%;
}
.sitenva-top .right a img {
  width: 80%;
  height: 80%;
}
section {
  padding-right: 2rem;
  padding-left: 2rem;
  padding-bottom: 2rem;
  padding-top: 0.16rem;
  width: 100%;
}
section a {
  float: left;
  display: inline-block;
  margin: 0.05rem;
  font-size: 0.3rem;
  border: 1px solid #bfbfbf;
  background-color: #F4F4F4;
  color: #000000;
}
section a img {
  margin-top: 0.2rem;
  float: left;
  width: 0.5rem;
  height: 0.5rem;
  background-color: #000000;
  margin-bottom: 0.2rem;
}
section a span {
  float: left;
  margin-top: 0.25rem;
}
.foot .top {
  width: 100%;
  height: 1rem;
  background-color: #ebebeb;
  border-top: solid 1px #ebebeb;
  border-bottom: 1px solid #ccc;
  line-height: 1rem;
  padding-left: 0.6rem;
}
.foot .top a {
  font-size: 0.3rem;
  margin-right: 0.1rem;
  margin-left: 0.1rem;
  color: #080808;
}
.foot .bottom {
  margin-top: 1rem;
  background-color: #ebebeb;
}
.foot .bottom .nav {
  display: inline-block;
  float: left;
  width: 33.3333%;
  height: 1rem;
  line-height: 1rem;
  font-size: 0.3rem;
  color: #080808;
  text-align: center;
  border-top: solid 1px #ebebeb;
  border-bottom: 1px solid #ccc;
  border-left: 1px solid #ccc ;
}
.foot .btm {
  width: 100%;
  padding: 0.2rem ;
  text-align: center;
}
.foot .btm a {
  margin-top: 0.3rem;
  display: inline-block;
  color: #080808;
  margin-bottom: 0.1rem;
}
.foot .btm .a1 {
  color: red;
}
.foot .btm .a2 {
  color: #ccc;
}
